Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing our new design; and,

FIG. 2 is another front view thereof, as shown in a display screen environment.

The broken line showing of the electronic device and display screen or portion thereof is for the purpose of illustrating environment and forms no part of the claimed design. The broken line showing of elements on the display screen illustrate portions of the article and form no part of the claimed design. The dot-dash lines define boundaries of the claimed design and form no part of claimed design. 

CLAIM We claim, the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 